AMD Radeon Instinct MI50 vs AMD Radeon R9 M295X Mac Edition

Table of Contents

Graphics Processor

GPU model Vega 20 Amethyst
GPU variant Vega 20 GLXT Amethyst XT
Architecture GCN 5.1 GCN 3.0
Foundry TSMC TSMC
Manufacturing process 7 nm 28 nm
Number of transistors 13,230 million 5,000 million
Die size 331 mm² 366 mm²

Graphics Card

Release date Nov 18th, 2018
Generation Radeon Instinct
Production Active
Interface PCIe 4.0 x16

Clocks

Base clock 1200 MHz
Boost clock 1746 MHz
Memory clock 1000 MHz 2 Gbps effective 1362 MHz 5.4 Gbps effective
GPU clock 850 MHz

Memory Configuration

Memory size 16 GB 4 GB
Memory type HBM2 GDDR5
Memory bus width 4096 bit 256 bit
Bandwidth 1,024 GB/s 174.3 GB/s

Render Configuration

Shading units 3840 2048
TMUs 240 128
ROPs 64 32
Compute units 60 32
Cache L1 16 KB (per CU) 16 KB (per CU)
Cache L2 4 MB 512 KB

Performance

Pixel rate 111.7 GPixel/s 27.20 GPixel/s
Texture rate 419.0 GTexel/s 108.8 GTexel/s
FP16 (half) performance 26.82 TFLOPS (2:1) 3.482 TFLOPS (1:1)
FP32 (float) performance 13.41 TFLOPS 3.482 TFLOPS
FP64 (double) performance 6.705 TFLOPS (1:2) 217.6 GFLOPS (1:16)

Dimensions & Outputs

Slot width Dual-slot MXM Module
Length 267 mm 10.5 inches
TDP 300 W 250 W
Suggested PSU 700 W
Outputs 1x mini-DisplayPort No outputs
Power connectors 1x 6-pin + 1x 8-pin

API Support & Features

DirectX 12 (12_1) 12 (12_0)
OpenGL 4.6 4.6
OpenCL 2.1 2.0
Vulkan 1.2 1.2
Shader model 6.4 6.3

Other Features

Mobile graphics

Release date Nov 23rd, 2014
Generation Crystal System (R9 M200)
Production End-of-life
Interface MXM-B (3.0)
Predecessor Solar System
Successor Mobility Radeon

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